Data as of September 2026. Source: Realtor.com.
The O FALLON, MO real estate market (63366) currently shows 176 active listings, with 76 pending sales. Homes are averaging 32 days on the market before going under contract.
Inventory has increased compared to last year, with 14 more homes available — giving buyers more choice.
Homes are selling faster, averaging 32 days on market compared to 44 days last year.
The median listing price has risen 0.6% year-over-year, from $400,000 to $402,475.
Population: 52,746 · Density: 293.9/mi² · Median household income: $91,698
Typical home value: $262,117 · Homeownership: 80.9%
| Zip | City / State | Distance | Listings | Market Value | Median $ | Average $ |
|---|---|---|---|---|---|---|
| 63366 | O'Fallon, MO 63366 | 0.0 mi | 91 | $38,996,958 | $407,500 | $428,538 |
| 63376 | Saint Peters, MO 63376 | 6.9 mi | 143 | $48,325,563 | $334,900 | $337,941 |
| 63368 | O'Fallon, MO 63368 | 7.5 mi | 132 | $64,754,052 | $491,850 | $490,561 |
| 63385 | Wentzville, MO 63385 | 8.5 mi | 307 | $159,208,358 | $427,413 | $518,594 |
| 63362 | Moscow Mills, MO 63362 | 10.1 mi | 48 | $16,711,968 | $327,065 | $348,166 |
| 62013 | Brussels, IL 62013 | 11.0 mi | 1 | $160,000 | $160,000 | $160,000 |
| 63348 | Foristell, MO 63348 | 12.9 mi | 93 | $53,200,185 | $425,000 | $572,045 |
| 63301 | Saint Charles, MO 63301 | 13.3 mi | 131 | $53,838,118 | $399,900 | $410,978 |
| 63347 | Foley, MO 63347 | 14.8 mi | 2 | $789,800 | $394,900 | $394,900 |
| 63044 | Bridgeton, MO 63044 | 16.8 mi | 19 | $3,994,123 | $244,950 | $210,217 |
| 62037 | Grafton, IL 62037 | 17.1 mi | 12 | $6,719,172 | $349,000 | $559,931 |
| 63017 | Chesterfield, MO 63017 | 17.4 mi | 111 | $68,511,975 | $619,225 | $617,225 |
| 63390 | Wright City, MO 63390 | 17.7 mi | 74 | $42,724,788 | $349,950 | $577,362 |
As of September 2026, there are 176 active listings in O FALLON, MO (zip code 63366), compared to 162 the prior year.
The median listing price in O FALLON, MO 63366 is $402,475 as of September 2026, a 0.6% increase from $400,000 the prior year.
Homes in O FALLON, MO 63366 spend an average of 32 days on the market before going under contract, compared to 44 days the prior year.
Based on current inventory and days-on-market data as of September 2026, O FALLON, MO 63366 is currently a Balanced Market. Inventory has increased compared to last year, with 14 more homes available — giving buyers more choice. Homes are selling faster, averaging 32 days on market compared to 44 days last year.
With SELL123.com's maximum 3% commission, sellers in O FALLON, MO 63366 save an estimated $8,050 compared to a typical 5% commission on the median listing price of $402,475. Our fee structure: 1% listing + 2% selling broker — no additional buyer or seller fees. Call (240) SELL-123 or email info@SELL123.com for a free consultation.